Model: FF-S-85

Machine Bolt
Description:

2a thread class, right-hand , 0.875 inches thread length, 1.438 inches fastener length, hexagon head style, 0.195 inches head height.

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.875 inches and 1.062 inches
Fastener Length
Between 1.438 inches and 1.500 inches
Head Style
Hexagon
Head Height
Between 0.195 inches and 0.211 inches
Width Between Flats
Between 0.489 inches and 0.500 inches
Thread Diameter
0.312 inches
Grip Length
Between 0.438 inches and 0.562 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
80.0 rockwell b and 100.0 rockwell b
Material
Steel comp 1025 or steel comp 1030
Material Specification
Sae j429 grade 2 uns g10250/uns g10300 assn standard all material responses or ff-s-85, para 3.1.1 federal specification all material responses
Surface Treatment
Cadmium and chromate or chromate zinc
Surface Treatment Specification
Qq-p-416, type 2, class 3 federal specification 1st treatment response or qq-z-325, type 2, class 3 federal specification 2nd treatment response
Thread Series Designator
Unf
Specification Data
81348-ff-s-85 government specification and 24617-123785 manufacturers standard and 96906-ms35292/canceled/ government standard
Nondefinitive Specification/std Data
2 type and 10p style and 2 grade and 5/16unf size
NSN
5306-00-012-3785
Part Number
FF-S-85
Description
Bolt,machine
CAGE
81348

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

Part FF-S-85 NSN 5306-00-012-3785

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
Concept No.:
App. Key:
BR
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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